Hello Sir.
First, I would like to introduce myself. My name is Iwan Rahardi Putra. I'm a programmer with 9 years of experience in web applications programming, with recently 4 years of experience in Android applications programming.
Regarding your job post, I have read the description and understand the requirements needed to complete the job. I'm interested in doing the job for you and would like to have further discussion with you regarding the job.
With many years of previous applications development works, I have experience in managing and maintaining application's database, including creating, moving and maintaining database tables and fields. I believe my experience will be benefit to get your job done as requested.
If you're interested, please feel free to contact me. I will be more than happy to have further discussion with your regarding the job.
Best regards,
Iwan Rahardi P.